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142675018381 = 722911735069
BaseRepresentation
bin1000010011100000011…
…0000000001010001101
3111122021021012220010001
42010320012000022031
54314144301042011
6145313300444301
713210422434500
oct2047006001215
9448237186101
10142675018381
1155565368035
12237996a9691
13105b9b3c9cc
146c969db137
153aa09be7c1
hex213818028d

142675018381 has 6 divisors (see below), whose sum is σ = 165968898990. Its totient is φ = 122292872856.

The previous prime is 142675018337. The next prime is 142675018393. The reversal of 142675018381 is 183810576241.

It can be written as a sum of positive squares in only one way, i.e., 130844975625 + 11830042756 = 361725^2 + 108766^2 .

It is not a de Polignac number, because 142675018381 - 211 = 142675016333 is a prime.

It is a super-2 number, since 2×1426750183812 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142675918381) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1455867486 + ... + 1455867583.

It is an arithmetic number, because the mean of its divisors is an integer number (27661483165).

Almost surely, 2142675018381 is an apocalyptic number.

It is an amenable number.

142675018381 is a deficient number, since it is larger than the sum of its proper divisors (23293880609).

142675018381 is an equidigital number, since it uses as much as digits as its factorization.

142675018381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911735083 (or 2911735076 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 142675018381 in words is "one hundred forty-two billion, six hundred seventy-five million, eighteen thousand, three hundred eighty-one".

Divisors: 1 7 49 2911735069 20382145483 142675018381